336321 has 6 divisors (see below), whose sum is σ = 485810. Its totient is φ = 224208.

The previous prime is 336317. The next prime is 336353. The reversal of 336321 is 123633.

It is a happy number.

336321 is a `hidden beast` number, since 33 + 632 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 318096 + 18225 = 564^2 + 135^2 .

It is not a de Polignac number, because 336321 - 2² = 336317 is a prime.

It is a super-2 number, since 2×336321² = 226223630082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 336294 and 336303.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 336321.

It is not an unprimeable number, because it can be changed into a prime (336361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18676 + ... + 18693.

2³³⁶³²¹ is an apocalyptic number.

It is an amenable number.

336321 is a deficient number, since it is larger than the sum of its proper divisors (149489).

336321 is a wasteful number, since it uses less digits than its factorization.

336321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37375 (or 37372 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 336321 is about 579.9318925529. The cubic root of 336321 is about 69.5426648305.

Adding to 336321 its reverse (123633), we get a palindrome (459954).

It can be divided in two parts, 33632 and 1, that added together give a palindrome (33633).

The spelling of 336321 in words is "three hundred thirty-six thousand, three hundred twenty-one".